[Mimedefang] Blocking Dictionary Attacks
David F. Skoll
dfs at roaringpenguin.com
Tue Jun 9 10:14:30 EDT 2009
afo cliff wrote:
> Yes thanks, I tried that, the down side for me is that it sends a
> "User Unknown" reject notification, which I'm trying to avoid. I
> don't want my server to waste time sending 10,000 rejects to a zombie
> somewhere.
???
It doesn't send a notification. All it does is reply with a 5xx SMTP
reply code.
It's very rude to bit-bucket mail to nonexistent recipients; valid senders
might never know that their mail has bounced.
Regards,
David.
More information about the MIMEDefang
mailing list